In areas of soft water it will be necessary to add alkalinity to the water. Water that is low in alkalinity can cause corrosion to pumps & heaters, alkalinity builder will prevent this.
Alkalinity Increaser can be used to increase the alkalinity level in swimming pools, spas or hot tubs.
Alkalinity Increaser will also slowly increase the pH of the spa water.
Easy to use & with a long shelf life
1, 5 grams (1 x teaspoon) will increase the alkalinity level by 2.5ppm in a 1,000 litre spa.
2, Dissolve in 2 litres of warm water and pour into spa
3, Turn pumps on for 5 minutes
4, Test with testing strips and repeat does if necessary.
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